TestStringHelper.java

package helper;

import com.yanzuoguang.util.helper.StringHelper;
import org.junit.Test;

public class TestStringHelper {
    @Test
    public void test() {
        System.out.println(StringHelper.left("100500103", 3));
        System.out.println(StringHelper.left("10", 3));
        System.out.println(StringHelper.right("100500103", 3));
        System.out.println(StringHelper.right("03", 3));
    }


    @Test
    public void testTrim() {
        System.out.println(StringHelper.trimLeft("100500103", "1", "0"));
        System.out.println(StringHelper.trimRight("100500103", "3", "0"));
        System.out.println(StringHelper.trim("1005050103", "1", "0", "3"));
    }


}